/*
 * TMap Designer - A Thematic Map design software
 * Copyright (C) 2006 World Health Organization
 * http://www.who.int
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
package who.tmap.ui.cd;

import java.util.List;

import javax.swing.JComboBox;

import who.tmap.bo.AttrDef;
import who.tmap.bo.ThematicMap;

/**
 * a helper to deal with cartographic display panels
 * 
 * @author stl
 *
 */
public class JPanelCDHelper {

	public void populateJComboBox( ThematicMap thematicMap, JComboBox jComboBoxData ) {
		String selection =(String)jComboBoxData.getSelectedItem();
		jComboBoxData.removeAllItems();
		
		if ( thematicMap != null && thematicMap.getData() != null ) {
			List<AttrDef> attrDefs =(List<AttrDef>)thematicMap.getData().getHeader();
			if ( attrDefs != null ) {
				for( int ct =0; ct < attrDefs.size(); ct++ ) {
					AttrDef attrDef =(AttrDef)attrDefs.get( ct );
					
					jComboBoxData.addItem( attrDef.getName() );
					if ( attrDef.getName().equalsIgnoreCase( selection ) ) {
						jComboBoxData.setSelectedIndex( ct );
					}
				}
			}
		}
		
	}		
	
	/**
	 * By convention, we select the first item for joinId and the second item for data
	 * @param joindIdColumn
	 * @param dataColumn
	 */
	public void selectDefaultJoinIdAndDataColumns( JComboBox joinIdColumn, JComboBox dataColumn ) {
		if ( joinIdColumn.getItemCount() > 0 ) {
			joinIdColumn.setSelectedIndex( 0 );
		}
		
		if ( dataColumn.getItemCount() > 1 ) {
			dataColumn.setSelectedIndex( 1 );
		}
	}
	
}
